(19)

(11)

EP 4 247 643 A1

(12)

(43) Date of publication: 27.09.2023 Bulletin 2023/39 (21) Application number: 20962630.8 (22) Date of filing: 20.11.2020

(51) International Patent Classification (IPC):  B41J 2/165(2006.01) B41J 29/393(2006.01) B41J 2/21(2006.01) (52) Cooperative Patent Classification (CPC): B41J 2/17566; B41J 2002/17569; B41J 2/1707; B41J 2002/16573; B41J 2/16535; B41J 2/16526; B41J 2/16505; B41J 2/16532; B41J 2/175 (86) International application number: PCT/US2020/061423 (87) International publication number: WO 2022/108591 (27.05.2022 Gazette 2022/21)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Hewlett-Packard Development Company, L.P. Spring TX 77389 (US)	(72) Inventors: LANGFORD, Jeffrey, D. Corvallis, Oregon 97330 (US) OUCHIDA, Dean, H. Vancouver, Washington 98683 (US) ENGLISH, Kris, M. Vancouver, Washington 98683 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)